云原生数据仓库 AnalyticDB PostgreSQL版buffer 的相关内容

问答 2024-07-02 来自：开发者社区

云数据仓库ADB是不是要通过buffer缓冲取以及打上标记的这个缓存数据来查询才能查询到最新数据呢？

云数据仓库ADB采用的是标记删除方式，比如update一条数据，给该条数据打上了标记但还没有更新到底层，这个时候用户来查询数据如果判断查询的数据不是最新的，是不是要通过buffer缓冲取以及打上标记的这个缓存数据来查询才能查询到最新数据呢？

问答 2023-04-18 来自：开发者社区

我插入几千条数据到ADB，就会报这个错误Buffer length is less then exp

我插入几千条数据到ADB，就会报这个错误Buffer length is less then expected payload length？Error updating database. Cause: java.sql.SQLException: Buffer length is less then expected payload length。我在程序里做的插入，就报了这个错误，也没有.....

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更新时间 2024-07-02 21:10:46

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云原生数据仓库AnalyticDB PostgreSQL版

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本方案基于 AnalyticDB for PostgreSQL 的高效向量引擎与阿里云自主研发的通义千问 LLM 模型，构建一个高性能的检索增强生成（Retrieval-Augmented Generation, RAG）应用，实现企业的AI智能客服，更高效地解决客户问题。

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